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authorMagnus Damm <damm@igel.co.jp>2008-12-19 15:34:23 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-12-22 18:44:48 +0900
commit6e1038a95bebb8a1ad6066c95aa9c3af6963c9ff (patch)
tree70e4bb89c1d76bf7785ad8ae88519df4fda145f3 /drivers/video
parent87884bd8ae42c875adbd62c84f47ed1cbb3e5090 (diff)
video: deferred io cleanup
Make sure the mmap callback is set to NULL in the deferred io cleanup function. This way we can enable and disable deferred io on the fly. Signed-off-by: Magnus Damm <damm@igel.co.jp> Acked-by: Jaya Kumar <jayakumar.lkml@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video')
-rw-r--r--drivers/video/fb_defio.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/video/fb_defio.c b/drivers/video/fb_defio.c
index e6dafeddfa5..06060ccd3c2 100644
--- a/drivers/video/fb_defio.c
+++ b/drivers/video/fb_defio.c
@@ -202,6 +202,9 @@ void fb_deferred_io_cleanup(struct fb_info *info)
page = vmalloc_to_page(screen_base + i);
page->mapping = NULL;
}
+
+ info->fbops->fb_mmap = NULL;
+ mutex_destroy(&fbdefio->lock);
}
EXPORT_SYMBOL_GPL(fb_deferred_io_cleanup);